/**
 * cleanup_threads Tool (Phase 6: Thread Lifecycle)
 *
 * Batch triage tool for thread health review. Groups all non-resolved threads
 * by lifecycle status (active/cooling/dormant) with optional auto-archival.
 *
 * Performance target: <2000ms (fetches all threads, computes lifecycle statuses)
 */
import type { LifecycleStatus } from "../services/thread-vitality.js";
import type { Project } from "../types/index.js";
import type { PerformanceData } from "../services/metrics.js";
export interface CleanupThreadsParams {
    project?: Project;
    /** If true, auto-archive dormant threads that have been dormant 30+ days */
    auto_archive?: boolean;
}
interface ThreadSummary {
    thread_id: string;
    text: string;
    lifecycle_status: LifecycleStatus;
    vitality_score: number;
    thread_class: string;
    days_since_touch: number;
    dormant_days?: number;
}
export interface CleanupThreadsResult {
    success: boolean;
    summary: {
        emerging: number;
        active: number;
        cooling: number;
        dormant: number;
        total_open: number;
    };
    groups: {
        emerging: ThreadSummary[];
        active: ThreadSummary[];
        cooling: ThreadSummary[];
        dormant: ThreadSummary[];
    };
    archived_count: number;
    archived_ids: string[];
    display?: string;
    performance: PerformanceData;
}
export declare function cleanupThreads(params: CleanupThreadsParams): Promise<CleanupThreadsResult>;
export {};
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